In essence, the Honda C90 was introduced as an upgraded version of the Honda C70 in 1978. Mainly considered to fall under the category of scooter motorcycle, the Honda C90 achieved immense popularity in the local and international markets due to its decent physical exterior, laudable. engine schematics and substantial reliability from an overall perspective. The Honda C90 consisted of an air-cooled four-stroke OHC (2 valves per cylinder) single-cylinder engine with a displacement of approximately 89 cc. Likewise, it had a bore value of 50mm, as well as a stroke value of 45.6mm, as well as a maximum engine rpm rating of 10,000.

On the other hand, according to the manufacturers at the Honda Motor Company, the Honda C90 had a compression ratio of 8.2 to 1 which was in line with the power of its engine. However, its engine was capable of producing 7.50 horsepower at 9,500 revolutions per minute, as well as a torque of 0.67 NM at about 6,000 revolutions per minute. Similarly, in terms of the ignition unit, the Honda C90 was fitted with contact break points as well as a clutch unit consisting of a multi-disc wet automatic component, an update that was in line with recent technological advances. .

However the Honda C90 had a 3 speed chain drive gearbox which was a disappointment as a 4 speed gearbox would have been more in line with its engine schematics. However, the Honda C90 had a variety of other features that played a vital role in its universal acceptance as a high-quality scooter. Its frame was cast from pressed steel, which accounted for its sturdiness and durability. On the other hand, the front suspension unit consisted of hydraulically damped main link forks along with a 3-inch travel component. Similarly, the rear suspension unit consists of a coupled hydraulically damped compression spring with 3.8 inches of travel.

Alternatively, drum brake units were used for the front and rear tires measuring 4.3 inches and 4.5 inches respectively. Finally, one of the main reasons why the Honda C90 was so popular was also because of its excellent fuel economy of 2.5 liters per 100 kilometres, as well as the fact that technological advances allowed it to reduce the amount of greenhouse gases emitted through its exhaust. Unit.